diff --git a/.yaml-cpp.metadata b/.yaml-cpp.metadata
new file mode 100644
index 0000000..6644776
--- /dev/null
+++ b/.yaml-cpp.metadata
@@ -0,0 +1 @@
+d447c93d2636827bb818c739b71f357473380b6c yaml-cpp-0.6.1.tar.gz
diff --git a/sources b/sources
index 86786b7..c839b43 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA1 (yaml-cpp-0.6.1.tar.gz) = d447c93d2636827bb818c739b71f357473380b6c
+SHA512 (yaml-cpp-0.6.1.tar.gz) = 606482d1d38c6747e22604a24c119adb4b70287da7deadb94cc20d70df47122f1714ec9bfc8f566ecf075b94d48771df17430c50039cb984bdf1980f3b445791